Arduino Uno WiFi Rev2 Send/Receive via Bluetooth

Hello all,

I am working on a project for my senior design, and my team is using the Arduino Uno WiFi Rev2. The Arduino's main job is to take input data from a sensor and output this data wirelessly (specifically to send an high-priority alert). I have been learning how to use the board's BLE capabilities, using the app LightBlue to control it (which has been working flawlessly). However, this is my concern: is it possible to use the Arduino to send and receive data from a mobile app via Bluetooth? I want to be able to arm/disarm the system as well as execute specific commands (which all require input data from the user's bluetooth device), but I also need the Arduino to output critical data. What options are available -- if any -- and how should I go about integrating read and write functions?

Thanks to all in advance.

BLUETOOTH probably isn’t the best technology for mission critical systems…

Ok, so do you suggest that I use WiFi instead then? Do you know of any services that will allow the Arduino to send and receive data via internet? For example, I have been using Firebase as a real time database, but I want to be able to send information to the board too.

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